downlink_PMCH

直接序列扩频（DS）原理的仿真程序，通过该程序你可以很好地理解直接序列扩频原理。(Direct Sequence Spread Spectrum (DS) The principle of simulation program, through the program you can very well understand the principle of direct sequence spread spectrum.)

经典的LTE仿真平台里面多用户MIMO的各种仿真参数的设置等(Various settings LTE simulation platform inside the classic multi-user MIMO simulation parameters, etc.)

用matlab实现MP算法进行信号重构，有详细的注释(MP algorithm using matlab to achieve signal reconstruction, detailed notes)

semblance analysis in matlab

基于非线性干扰观测器的直升机滑模反演控制(Based on nonlinear disturbance observer helicopter sliding inversion control)

二三阶B样条小波模极大值输电线路故障定位(Fault location of transmission line based on two or three order B spline wavelet modulus maxima )

examples code correctors

三个基于延时的波束形成程序，在声纳、雷达等领域有广泛应用，能正常运行，都有仿真图，推荐下载(Three delay-based beamforming codes,have wide applied in sonar, radar and other areas,all of them have the simulation graph, it is recommended to download)

非线性的降维算法的工具箱，如PCA、 classical scaling等。(Dimensionality Reduction toolbox)

说明：  利用遗传算法对BP神经网络进行了优化，避免陷于局部最优解。直接修改data数据(Genetic algorithm is used to optimize BP neural network to avoid falling into local optimal solution. Modify data data directly)